[jira] Commented: (PIG-849) Local engine loses records in splits

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PIG-849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12719611#action_12719611 ] 

Hadoop QA commented on PIG-849:
-------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12410627/local_engine.patch
  against trunk revision 784333.

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no tests are needed for this patch.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit warnings.

    -1 core tests.  The patch failed core unit tests.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Pig-Patch-minerva.apache.org/81/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Pig-Patch-minerva.apache.org/81/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: http://hudson.zones.apache.org/hudson/job/Pig-Patch-minerva.apache.org/81/console

This message is automatically generated.

> Local engine loses records in splits
> ------------------------------------
>
>                 Key: PIG-849
>                 URL: https://issues.apache.org/jira/browse/PIG-849
>             Project: Pig
>          Issue Type: Bug
>            Reporter: Gunther Hagleitner
>         Attachments: local_engine.patch
>
>
> When there is a split in the physical plan records can be dropped in certain circumstances.
> The local split operator puts all records in a databag and turns over iterators to the POSplitOutput operators. The problem is that the local split also adds STATUS_NULL records to the bag. That will cause the databag's iterator to prematurely return false on the hasNext call (so a STATUS_NULL becomes a STATUS_EOP in the split output operators).

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